( October 6, 2025, 11:16 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on Oct. 6 refused to hear a case brought by chemical companies that sought review of a ruling in a product liability case related to exposure to the pesticide paraquat on grounds that questions from the Supreme Court’s prior ruling in Mallory v. Norfolk Southern Railway Co. pertaining to the commerce clause and the scope of due process limits remain unresolved. The companies maintained that their case was “the necessary sequel to Mallory.”...